CVE-2026-12281 | Shibboleth Plugin up to 2.5.3 on WordPress Identity Verification improper authentication

A vulnerability categorized as critical has been discovered in Shibboleth Plugin up to 2.5.3 on WordPress. The affected element is an unknown function of the component Identity Verification. Executing a manipulation can lead to improper authentication.

This vulnerability appears as CVE-2026-12281. The attack may be performed from remote. There is no available exploit.